The N4GG Array
The N4GG array is easy to build. Cut
a 3/4 wave per leg dipole
and let the last 1/4 wave of each end
hang down verticaly.
The Plan as it should be.
To test the idea out, I've extended an
existing low 30m dipole. The N4GG
array is so low that I had to pull
the vertical part away at an angle to prevent
it from touching the ground. Also the
two end points aren't at the same height.
What I built was not ideal.
The following radiation pattern plots
are from simulations of my N4GG array as it is actually built.
It's not as pretty as the preferred embodiment.
I was curious about what my antenna was doing
after working VI9NI in RTTY mode
with 40W. The plots don't wow me, but the actual performance
is good. If you need a stealthy antenna
with good DX performance and have nothing high to hang it
on, this may be the antenna for you.
The plot in red is a 1/2 w dipole at the same height.
It's not a cloud burner!
Notice how this plot is mirror imaged by a mistake in the RP
card
Here is a NEC2 file for the preferred
embodiment,
which I've mangled to generate these
plots N4GG_.NEC
Return
to the mule's ham radio index